// CODE SNIPPET
605.2.1 Standards for Air-Handling Units
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Air-handling units of mechanical ventilation systems, any portion of which provide outdoor air ventilation, shall be equipped with a particulate matter filtration system in accordance with ASHRAE 62.1 or ASHRAE 62.2 and shall have a minimum efficiency reporting value (MERV) of 11 or greater in accordance with ASHRAE 52.2.
- This section shall not apply to the alteration or repair of a mechanical ventilation system that was installed prior to January 1, 2013 unless such alteration or repair includes the replacement or addition of an air-handling unit in such system.
- This section shall not apply to the replacement of an air handling unit in a mechanical ventilation system installed prior to January 1, 2013 if the department determines that the design of such replacement air-handling unit cannot be made to comply with the allowable fan system power limitations of the New York City Energy Conservation Code.
- This section shall not apply to any air-handling unit with a design capacity of less than 5,000 cfm (2.4 m3/s).
- This section shall not apply for combustion outside air, ventilation air for mechanical room and inhabitable spaces.